Using a relay with the ESP8266 is a great way to control AC household appliances remotely. This tutorial explains how to control a relay module with the ESP8266 NodeMCU. We’ll …
Learn how to take photos with the ESP32-CAM board and save them to a microSD card using Arduino IDE. When you press the ESP32-CAM RESET button, it wakes up, takes …
In this project we’re going to build an IP surveillance camera with the ESP32-CAM board. The ESP32 camera is going to host a video streaming web server that you can …
This article is a quick getting started guide for the ESP32-CAM board. We’ll show you how to setup a video streaming web server with face recognition and detection in less …
In this tutorial we’ll show you how to use Wi-Fi Manager with the ESP32 using MicroPython firmware. Wi-Fi Manager allows you to connect your ESP32 to different Access Points (different …
In this project, you’ll build a sensor monitoring system using a TTGO LoRa32 SX1276 OLED board that sends temperature, humidity and pressure readings via LoRa radio to an ESP32 LoRa …
After releasing some projects with the ESP32-CAM, some readers reported issues when trying to use the ESP32-CAM. This guide is a compilation with the most common errors when using the …
Learn how to build a web server with the ESP32-CAM board that allows you to send a command to take a photo and visualize the latest captured photo in your …
Home Automation Using ESP8266(4th Edition) Home Automation Using ESP8266 (4th Edition) is our step-by-step guide designed to help you get started with this amazing WiFi module called ESP8266. This course includes …
The TTGO LoRa32 SX1276 OLED is an ESP32 development board with a built-in LoRa chip and an SSD1306 0.96 inch OLED display. In this guide, we’ll show you how to: …
In this tutorial, we’ll show you how to build an Auto Power Off circuit (Latching Power Circuit) on a custom PCB, which is extremely useful to save power in your …
The ESP32 has two I2C bus interfaces that can serve as I2C master or slave. In this tutorial we’ll take a look at the I2C communication protocol with the ESP32 …
The ESP32 chip comes with 48 pins with multiple functions. Not all pins are exposed in all ESP32 development boards, and there are some pins that cannot be used.
In this project you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a Raspberry Pi LAMP server (Linux, Apache, MySQL, PHP). The Raspberry Pi has …